The numbered match variables ($1, $2, $3, etc.) and the related
+ punctu-
       ation set ($+, $&, $`, $', and $^N) are all dynamically scoped 
+until
       the end of the enclosing block or until the next successful mat
+ch,
       whichever comes first.  (See "Compound Statements" in perlsyn.)

       NOTE: failed matches in Perl do not reset the match variables, 
+which
       makes easier to write code that tests for a series of more spec
+ific
       cases and remembers the best match.
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